Shulou(Shulou.com)06/03 Report--

Today, in order to free up space, kill used the zookeeper process, but unexpectedly, it couldn't be started after kill.

Indicates that it has started normally

[root@lnx-a-11 bin] #. / zkServer.sh start

JMX enabled by default

Using config: / home/tester/zookeeper/bin/../conf/zoo.cfg

Starting zookeeper... STARTED

[root@lnx-air-9-27 bin] # ps aux | grep zook

But look at the background process.

Check the zookeeper.out log and have the following prompts:

2015-12-31 17 main:QuorumPeerMain@85 32V 04090 [myid:]-ERROR [main:QuorumPeerMain@85]-Invalid config, exiting abnormally

Org.apache.zookeeper.server.quorum.QuorumPeerConfig$ConfigException: Error processing / home/tester/zookeeper/bin/../conf/zoo.cfg

At org.apache.zookeeper.server.quorum.QuorumPeerConfig.parse (QuorumPeerConfig.java:123)

At org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun (QuorumPeerMain.java:101)

At org.apache.zookeeper.server.quorum.QuorumPeerMain.main (QuorumPeerMain.java:78)

Caused by: java.lang.IllegalArgumentException: / tmp/zookeeper/data/myid file is missing

At org.apache.zookeeper.server.quorum.QuorumPeerConfig.parseProperties (QuorumPeerConfig.java:350)

At org.apache.zookeeper.server.quorum.QuorumPeerConfig.parse (QuorumPeerConfig.java:119)

The hint is obvious / tmp/zookeeper/data/myid file is missing

It is found that there is no myid file in this directory. You know that the / tmp folder is a temporary directory, and the files in it are likely to be deleted after a period of time.

View the / etc/cron.daily/tmpwatch file and display the following

#! / bin/sh

Flags=-umc

/ usr/sbin/tmpwatch "$flags"-x / tmp/.X11-unix-x / tmp/.XIM-unix\

-x / tmp/.font-unix-x / tmp/.ICE-unix-x / tmp/.Test-unix\

-X'/ tmp/hsperfdata_*' 10d / tmp

/ usr/sbin/tmpwatch "$flags" 30d / var/tmp

For d in / var/ {cache/man,catman} / {cat?,X11R6/cat?,local/cat?}; do

If [- d "$d"]; then

/ usr/sbin/tmpwatch "$flags"-f 30d "$d"

Fi

Done

You can know that the contents of the / tmp file will be cleared once every 10 days except for the set file.

So we should not put myid under / tmp or exclude this file from the cleanup file.

Add the myid file, modify the data directory in zoo.cfg, and start it again. The startup is successful.

[root@lnx-a-11 bin] # ps aux | grep zook

Root 21869 24.7 0.8 2584892 35100 pts/2 Sl 17:54 0:01 java-Dzookeeper.log.dir=/home/tester/zookeeper/bin/../logs-Dzookeeper.root.logger=INFO CONSOLE-cp / home/tester/zookeeper/bin/../build/classes:/home/tester/zookeeper/bin/../build/lib/*.jar:/home/tester/zookeeper/bin/../lib/slf4j-log4j12-1.6.1.jar:/home/tester/zookeeper/bin/../lib/slf4j-api-1.6.1.jar:/home/tester/zookeeper/bin/../lib/netty-3.7.0.Final.jar:/home/ Tester/zookeeper/bin/../lib/log4j-1.2.16.jar:/home/tester/zookeeper/bin/../lib/jline-0.9.94.jar:/home/tester/zookeeper/bin/../zookeeper-3.4.6.jar:/home/tester/zookeeper/bin/../src/java/lib/*.jar:/home/tester/zookeeper/bin/../conf:-Dcom.sun.management.jmxremote-Dcom.sun.management.jmxremote .local.only = false org.apache.zookeeper.server.quorum.QuorumPeerMain / home/tester/zookeeper/bin/../conf/zoo.cfg

Root 21948 0.0 103252 808 pts/2 D + 17:55 0:00 grep zook

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